diff --git a/application/models/Question.php b/application/models/Question.php
index e89b44c0880..915228b7ac0 100644
--- a/application/models/Question.php
+++ b/application/models/Question.php
@@ -782,7 +782,7 @@ public static function getQuestionTypeName($sType)
     public static function getQuestionClass($sType)
     {
         switch ($sType) {
-            case "1": return 'array-flexible-duel-scale';
+            case "1": return 'array-flexible-dual-scale';
             case '5': return 'choice-5-pt-radio';
             case 'A': return 'array-5-pt';
             case 'B': return 'array-10-pt';
diff --git a/themes/survey/vanilla/views/subviews/printanswers/question_types/template_array-flexible-duel-scale.twig b/themes/survey/vanilla/views/subviews/printanswers/question_types/template_array-flexible-dual-scale.twig
similarity index 100%
rename from themes/survey/vanilla/views/subviews/printanswers/question_types/template_array-flexible-duel-scale.twig
rename to themes/survey/vanilla/views/subviews/printanswers/question_types/template_array-flexible-dual-scale.twig